CN117249153A - Hydraulic oil filter equipment for hydraulic equipment - Google Patents
Hydraulic oil filter equipment for hydraulic equipment Download PDFInfo
- Publication number
- CN117249153A CN117249153A CN202311303649.6A CN202311303649A CN117249153A CN 117249153 A CN117249153 A CN 117249153A CN 202311303649 A CN202311303649 A CN 202311303649A CN 117249153 A CN117249153 A CN 117249153A
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- Prior art keywords
- ring
- filtering
- space
- oil
- connecting cylinder
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 109
- 239000003921 oil Substances 0.000 claims abstract description 95
- 238000007789 sealing Methods 0.000 claims description 24
- 230000005291 magnetic effect Effects 0.000 claims description 7
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 241000220317 Rosa Species 0.000 description 11
- 230000035699 permeability Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a hydraulic oil filtering device for hydraulic equipment, which comprises a filtering box, wherein the filtering box is of a cylindrical structure, a first filtering ring, a second filtering ring and a third filtering ring are coaxially arranged in the filtering ring, the space in the filtering box is divided into a first space, a second space, a third space and a fourth space which are not communicated with each other, the first space is positioned at the innermost part, the bottom of the first space is communicated with an oil inlet pipe, the part of the oil inlet pipe outside the filtering box is connected with an oil collecting tank which is coaxially arranged, and the filtering box is internally provided with a layer-by-layer filtering structure and an automatic unloading structure which is convenient to install and detach. The advantages are that: through setting up the multilayer filter ring for can not launch next filter ring before last filter ring unblock, can improve filter equipment's life like this, can conveniently carry out dismouting to the multilayer filter ring when filter equipment blocks up simultaneously, facilitate the use.
Description
Technical Field
The invention relates to the technical field of hydraulic oil filtration, in particular to a hydraulic oil filtration device for hydraulic equipment.
Background
The hydraulic machine is a machine which takes liquid as a working medium and is used for transmitting energy to realize various processes, according to different use environments of the hydraulic machine, in the use process of the hydraulic machine, external dust impurities or metal particles caused by abrasion in the hydraulic machine can enter the hydraulic machine along with hydraulic oil, the hydraulic machine is worn, the service life of the hydraulic machine is shortened, the hydraulic machine is generally provided with a hydraulic oil filter for reducing the influence caused by the problems, however, as the use time passes, the impurities filtered by the filter element are gradually increased, so that the permeability of the filter is gradually reduced.
According to retrieval, chinese issued patent publication No. CN113577889B discloses a hydraulic oil filtering device for hydraulic equipment, the technical field of hydraulic equipment, it can not only improve the permeability of filter when the filter core permeability is poor, can also utilize vice core ring piece to continue to filter hydraulic oil, the problem that current filter needs to sacrifice the filter effect and improve the filter permeability has been solved, when making main filter core permeability excessively poor through the suction of oil pump, sealed hemisphere is opened, and promote the second filtration permeate sheet when driving vice core ring piece and rising, make hydraulic oil concentrate the filtration back discharge through vice core ring piece under the suction of oil pump, thereby further improved the circulation rate of hydraulic oil, through analysis, this prior art realizes the problem of main core piece jam through vice core piece, however, for above-mentioned prior art, on the one hand, when in actual use, can't be in switching main core piece and vice core use, on the other hand, can't realize the filter effect of using for more multi-layer filtering device, for each level filter structure is also limited, and the filter effect is based on the invention is removed to the filter effect on the structure when switching the whole, the invention has been based on the filter effect of the hydraulic oil is also reduced on the structure of this one-level of filtering device.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a hydraulic oil filtering device for hydraulic equipment.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a hydraulic oil filter equipment for hydraulic equipment, includes the rose box, the rose box sets up to cylindric structure, the inside coaxial first filter ring, second filter ring and the third filter ring of being provided with of rose box, the diameter size of the cross section of first filter ring, second filter ring and third filter ring is by little to big setting, first filter ring, second filter ring and third filter ring divide into the rose box inner space and cup joint each other first space, second space, third space and fourth space that do not communicate each other layer by layer, wherein first space is located innermost part, the bottom intercommunication in first space is provided with the oil feed pipe, the oil feed pipe is connected with the oil collecting tank that coaxial setting in the outside part of rose box, the oil feed pipe runs through the upper and lower both sides inner wall of oil collecting tank, second space, third space and fourth space communicate respectively and are provided with a plurality of connecting pipes, a plurality of connecting pipes jointly communicate with the top of oil collecting tank, the bottom intercommunication of oil collecting tank is provided with the oil feed pipe, the oil feed pipe sets up in the oil feed pipe, the filter structure is convenient to dismantle the structure of filter box with the side of unloading.
In the hydraulic oil filter equipment for hydraulic equipment, the layer upon layer filtration structure includes the connecting cylinder, the round hole with connecting cylinder size matched with is seted up at the top of rose box, connecting cylinder and rose box sealed sliding connection, first filter ring is fixed to be set up in the connecting cylinder and first space and second space divide into the part that is located the connecting cylinder and is located first filter ring inboard and outside, the oil inlet has been seted up to the bottom of connecting cylinder, oil inlet and oil feed pipe intercommunication and size are the same, the junction of oil inlet and oil feed pipe is provided with a closing plate, the closing plate rotates the lateral wall that sets up at the oil inlet and with the sealed swivelling joint of oil inlet.
In the hydraulic oil filtering device for hydraulic equipment, a plurality of oil outlets are formed in the bottom of the second space in the connecting cylinder, each oil outlet is provided with a connecting pipe which is matched and connected with the oil outlet, each oil outlet and the corresponding connecting pipe are connected with a sealing structure, an annular groove is formed in the bottom of the connecting cylinder, a sliding plate of an annular structure is connected in the groove in a sealing sliding mode, and a ferromagnetic layer is arranged at the bottom of the sliding plate.
In the hydraulic oil filtering device for the hydraulic equipment, the second filtering ring is sleeved on the outer side part of the connecting cylinder and is in clearance fit with the connecting cylinder, the limiting ring is fixedly arranged at the top of the second filtering ring, the inner side part of the limiting ring is in sliding connection with the outer side wall of the connecting cylinder, the movable ring is fixedly arranged at the bottom of the outer side wall of the connecting cylinder, the size of the movable ring is the same as that of the limiting ring, the third space is arranged as a part between the second filtering ring and the third filtering ring, the connecting ring is arranged at the bottom of the third space, the inner side part of the connecting ring is fixedly connected with the second filtering ring, the connecting ring is provided with a plurality of oil outlets connected with the connecting pipe, and the bottom of the third space is simultaneously provided with a sealing structure.
In the hydraulic oil filtering device for hydraulic equipment, each sealing structure comprises two rotating plates, the rotation centers of each two rotating plates are respectively positioned on two side walls of the mutual symmetry of the oil outlet and the connecting pipe, the two rotating plates are identical in rotation direction and can seal the oil outlet and the connecting pipe, the side walls of the oil outlet and the connecting pipe are provided with arc grooves for oil to meet the rotation of the rotating plates, each rotating plate is made of permanent magnet materials, and the side walls of the oil outlet and the connecting pipe are all made of ferromagnetic materials attracted with the magnetism of the rotating plates.
In the hydraulic oil filter equipment for hydraulic equipment, the automatic unloading structure is including setting up the installation piece at the connecting cylinder top, the installation piece is fixed at the top of first filter ring and link up with the external world, the fixed hand pull ring that is provided with in top of connecting cylinder, the fixed a plurality of springs that are provided with in top of slide, a plurality of the top of spring all is with the interior top fixed connection of recess, the fixed equipment ring that is provided with in top of third filter ring, the outer roof sliding connection of equipment ring and rose box, slide, second filter ring and third filter ring all are provided with two magnetism pieces of inhaling of mutual magnetism with the junction of rose box inner bottom, the cross section of second filter ring and third filter ring all sets up to incomplete round structure.
Compared with the prior art, the invention has the advantages that:
1. when the invention is used, when the filter ring is in the use state of each stage, the filter ring is input into the corresponding space through the oil inlet pipe and is discharged through the connecting pipe of the next space under the filtering action of the filter ring, so that the filter ring of one stage is always used, the filter ring of the next stage is prevented from being used, and the use effect is prevented from being influenced;
2. when the permeability of each stage of filter ring is reduced due to long-time use, the part of filter ring can be automatically moved upwards and removed from the filter box, so that the filter ring can be conveniently replaced, and the use state of the filter ring can be intuitively counted.
3. In the use, because the filter ring of every layer all upwards removes after the use, consequently, the filter ring of next stage will be all the time by the bottom side start working to move up after penetrating type decline, thereby progressively increase the usable floor area of filter ring, and this benefit lies in, every filtration part that can make full use of filter ring, extension live time.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic oil filtering device for hydraulic equipment according to the present invention;
FIG. 2 is an enlarged schematic view of part A of a hydraulic oil filter device for hydraulic equipment according to the present invention;
FIG. 3 is an enlarged schematic view of part A of a hydraulic oil filter device for hydraulic equipment according to the present invention;
fig. 4 is a top view of a hydraulic oil filtering device for hydraulic equipment according to the present invention;
fig. 5 is a diagram showing a distribution diagram of a connection pipe in a plan view in a hydraulic oil filtering apparatus for a hydraulic device according to the present invention.
In the figure: 1 filter box, 2 first filter ring, 3 second filter ring, 4 third filter ring, 501 first space, 502 second space, 503 third space, 504 fourth space, 6 oil inlet pipe, 7 oil collecting tank, 8 connecting pipe, 9 oil outlet pipe, 10 connecting cylinder, 11 oil inlet, 12 sealing plate, 13 connecting ring, 14 groove, 15 slide plate, 16 magnetic attraction block, 17 spacing ring, 18 moving ring, 19 arc groove, 20 installation block, 21 spring, 22 assembly ring, 23 rotating plate, 24 hand pull ring.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1 to 5, a hydraulic oil filtering apparatus for a hydraulic device includes a filtering case 1, the filtering case 1 is provided in a cylindrical structure, a first filtering ring 2, a second filtering ring 3 and a third filtering ring 4 are coaxially provided inside the filtering case 1, the diameter sizes of cross sections of the first filtering ring 2, the second filtering ring 3 and the third filtering ring 4 are set from small to large, the first filtering ring 2, the second filtering ring 3 and the third filtering ring 4 divide a space inside the filtering case 1 into a first space 501, a second space 502, a third space 503 and a fourth space 504 which are sleeved layer by layer and are not communicated with each other, wherein the first space 501 is positioned at an innermost part, the bottom intercommunication of first space 501 is provided with into oil pipe 6, advance oil pipe 6 to the input hydraulic oil in the first space 501 and export hydraulic pressure, advance oil pipe 6 and be connected with the oil collecting tank 7 of coaxial setting in the outside part of rose box 1, advance oil pipe 6 and run through the upper and lower both sides inner wall of oil collecting tank 7, second space 502, third space 503 and fourth space 504 intercommunication respectively are provided with a plurality of connecting pipes 8, connecting pipe 8 sets up to square tube structure, a plurality of connecting pipes 8 jointly communicate with the top of oil collecting tank 7, the bottom intercommunication of oil collecting tank 7 is provided with out oil pipe 9, it sets up the side at oil pipe 6 to go out oil pipe 9, be provided with layer upon layer filtration structure and the automatic structure of unloading of easy to assemble dismantlement in the rose box 1.
The layer-by-layer filtering structure comprises a connecting cylinder 10, a round hole matched with the size of the connecting cylinder 10 is formed in the top of the filtering box 1, the connecting cylinder 10 is in sealing sliding connection with the filtering box 1, a first filtering ring 2 is fixedly arranged in the connecting cylinder 10, a first space 501 and a second space 502 are divided into parts which are positioned on the inner side and the outer side of the first filtering ring 2 in the connecting cylinder 10, an oil inlet 11 is formed in the bottom of the connecting cylinder 10, the oil inlet 11 and an oil inlet pipe 6 are communicated and are identical in size, a sealing plate 12 is arranged at the joint of the oil inlet 11 and the oil inlet pipe 6, the sealing plate 12 is rotatably arranged on the side wall of the oil inlet 11 and is in sealing and rotating connection with the oil inlet 11, and the sealing plate 12 is capable of automatically closing the oil inlet 11 when the connecting cylinder 10 is disconnected with the oil inlet pipe 6, hydraulic pressure acts on the connecting cylinder 10 at the moment, a plurality of oil outlets are formed in the bottom of the second space 502, a plurality of oil outlets are formed in the connecting cylinder 3, one connecting pipe 8 is in the connecting cylinder 10 and is in cooperation with the same, one connecting pipe 8 is in the corresponding connecting pipe 8, one annular groove 15 is formed in the bottom of the connecting cylinder, one sliding plate 15 is connected with one annular groove 15, and one sliding plate 15 is in the bottom of the sealing structure is provided.
The second filter ring 3 is sleeved on the outer side part of the connecting cylinder 10 and is in clearance fit with the connecting cylinder 10, a limiting ring 17 is fixedly arranged at the top of the second filter ring 3, the inner side part of the limiting ring 17 is in sliding connection with the outer side wall of the connecting cylinder 10, a movable ring 18 is fixedly arranged at the bottom of the outer side wall of the connecting cylinder 10, the size of the movable ring 18 is the same as that of the limiting ring 17, a third space 503 is arranged as a part between the second filter ring 3 and the third filter ring 4, a connecting ring 13 is arranged at the bottom of the third space 503, the inner side part of the connecting ring 13 is fixedly connected with the second filter ring 4, a plurality of oil outlets connected with the connecting pipes 8 are arranged at the bottom of the third space 503, a sealing structure is simultaneously arranged at the bottom of each sealing structure, each sealing structure comprises two rotating plates 23, the rotating centers of each rotating plate 23 are respectively positioned on two symmetrical side walls of the oil outlets and the connecting pipes 8, the rotation directions of the two rotating plates 23 are the same and can seal the oil outlet and the connecting pipe 8, so when the connecting cylinder 10 is moved out, the oil outlet and the corresponding connecting plate are sealed, a plurality of connecting pipes 8 at the next stage are connected into use, the arc grooves 19 for the rotation of the rotating plates 23 are formed in the side walls of the oil outlet and the connecting pipes 8, when the rotating plates 23 are prevented from reversely rotating, each rotating plate 23 is made of a permanent magnet material, the side walls of the oil outlet and the connecting pipes 8 are all made of ferromagnetic materials magnetically attracted with the rotating plates 23, the rotating plates 23 are attached and fixed with the corresponding oil outlet and the inner walls of the connecting pipes 8 in an initial state, hydraulic oil can move freely, and after the two rotating plates 23 are separated from the connection with the oil outlet and the inner walls of the connecting pipes of the magnetic materials, the rotating plates can be automatically closed.
The automatic unloading structure comprises a mounting block 20 arranged at the top of a connecting cylinder 10, the mounting block 20 is fixed at the top of a first filter ring 2 and is communicated with the outside, a hand ring 24 is fixedly arranged at the top of the connecting cylinder 10, a plurality of springs 21 are fixedly arranged at the top of a sliding plate 15, the tops of the springs 21 are fixedly connected with the inner top of a groove 14, an assembling ring 22 is fixedly arranged at the top of a third filter ring 4, the assembling ring 22 is in sliding connection with the outer top wall of a filter box 1, two magnetic attraction blocks 16 which are mutually magnetically attracted are arranged at the connecting positions of the sliding plate 15, a second filter ring 3 and the third filter ring 4 and the inner bottom of the filter box 1, and the cross sections of the second filter ring 3 and the third filter ring 4 are in incomplete circular structures, so that the sealing state in the filter box 1 is kept when the second filter ring 3 and the third filter ring 4 move.
The core of the invention is that when the permeability of the filtering ring of each layer is reduced, the filtering efficiency is rapidly reduced, the filtering ring is sealed at the top of the connecting cylinder 10, and then the position of the connecting cylinder 10 is increased by the output hydraulic action, so that the filtering ring of the stage is automatically moved outwards, on the one hand, the filtering ring can be conveniently detached and cleaned, on the other hand, the filtering ring of the next stage can be introduced for use, and when the filtering ring of each stage is used, the filtering rings of the next stage are separated, therefore, the service life of the filtering ring of the next stage can be prolonged by arranging a plurality of layers of filtering rings under the use state of only one filtering ring, the top of the connecting cylinder 10 can be acted to enable the top of the connecting cylinder 10 to be upwards moved when the first filtering ring 2 is blocked, and the position of the connecting cylinder 10 is increased, and at the moment, the magnetically connected sliding plate 15 in the groove 14 in the connecting cylinder 10 can continuously seal the second filtering ring 3 when the connecting cylinder 10 is continuously lifted, or the use state of the filtering ring of the next stage is gradually connected in a connecting mode between the second filtering ring 3 and the third filtering ring 4 is realized;
namely, in the present invention, two multi-stage filter ring connection methods are provided, one is a cylindrical connection method in which the first filter ring 2 and the second filter ring 3 are connected, that is, after each time the previous stage filter ring is blocked, the slide plate 15 arranged at the bottom of the connecting cylinder 10 seals the next stage filter ring until the corresponding connected connecting cylinder 10 is pushed out completely upwards, and then the magnetic connection between the magnetic blocks 16 is overcome, so that the next stage filter ring is connected into the filter space, and the sealing between the plurality of connection pipes 8 and the oil outlets corresponding to the previous stage filter ring is finished in the process, and the other is a connection method between the second filter ring 3 and the third filter ring 4, that is, after the previous stage filter ring is blocked, the previous stage filter ring is fixed by the magnetic attraction between the magnetic blocks 16, and then the next stage filter ring is gradually connected for use.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The hydraulic oil filtering device for the hydraulic equipment comprises a filtering box (1), and is characterized in that the filtering box (1) is arranged into a cylindrical structure, a first filtering ring (2), a second filtering ring (3) and a third filtering ring (4) are coaxially arranged in the filtering box (1), the diameter of the cross sections of the first filtering ring (2), the second filtering ring (3) and the third filtering ring (4) are arranged from small to large, the space in the filtering box (1) is divided into a first space (501), a second space (502), a third space (503) and a fourth space (504) which are sleeved layer by layer and are not communicated with each other by the first filtering ring (2), the second filtering ring (3) and the third filtering ring (4), the first space (501) is located at the innermost part, an oil inlet pipe (6) is arranged at the bottom of the first space (501) in a communicating mode, an oil collecting tank (7) coaxially arranged at the outer part of the filtering box (1) is connected with the oil inlet pipe (6), the oil inlet pipe (6) penetrates through the upper and lower inner walls (8) of the first space (503) and the second space (503) are respectively connected with the fourth space (504), the connecting pipes (8) are respectively arranged at two sides of the space (8), the oil collecting tank comprises a plurality of connecting pipes (8) and is communicated with the top of an oil collecting tank (7), an oil outlet pipe (9) is arranged at the bottom of the oil collecting tank (7) in a communicated mode, the oil outlet pipe (9) is arranged on the side face of an oil inlet pipe (6), and a layer-by-layer filtering structure and an automatic unloading structure which is convenient to install and detach are arranged in the filtering tank (1).
2. The hydraulic oil filtering device for hydraulic equipment according to claim 1, wherein the layer-by-layer filtering structure comprises a connecting cylinder (10), round holes matched with the connecting cylinder (10) in size are formed in the top of the filtering box (1), the connecting cylinder (10) is in sealing sliding connection with the filtering box (1), the first filtering ring (2) is fixedly arranged in the connecting cylinder (10) and the first space (501) and the second space (502) are divided into parts which are located inside and outside the first filtering ring (2) in the connecting cylinder (10), an oil inlet (11) is formed in the bottom of the connecting cylinder (10), the oil inlet (11) is communicated with an oil inlet pipe (6) and the same in size, a sealing plate (12) is arranged at the joint of the oil inlet (11) and the oil inlet pipe (6), and the sealing plate (12) is rotatably arranged on the side wall of the oil inlet (11) and in sealing rotation connection with the oil inlet (11).
3. The hydraulic oil filtering device for hydraulic equipment according to claim 2, wherein a plurality of oil outlets are formed in the bottom of the second space (502) in the connecting cylinder (10), each oil outlet is provided with a connecting pipe (8) in matched connection with the oil outlet, each oil outlet and the corresponding connecting pipe (8) are connected with a sealing structure, an annular groove (14) is formed in the bottom of the connecting cylinder (10), a sliding plate (15) with an annular structure is connected in the groove (14) in a sealing sliding manner, and a ferromagnetic layer is arranged at the bottom of the sliding plate (15).
4. The hydraulic oil filtering device for hydraulic equipment according to claim 3, wherein the second filtering ring (3) is sleeved on the outer side portion of the connecting cylinder (10) and is in clearance fit with the connecting cylinder (10), a limiting ring (17) is fixedly arranged at the top of the second filtering ring (3), the inner side portion of the limiting ring (17) is in sliding connection with the outer side wall of the connecting cylinder (10), a movable ring (18) is fixedly arranged at the bottom of the outer side wall of the connecting cylinder (10), the size of the movable ring (18) is the same as that of the limiting ring (17), a part between the second filtering ring (3) and the third filtering ring (4) is arranged in the third space (503), a connecting ring (13) is arranged at the bottom of the third space (503), the inner side portion of the connecting ring (13) is fixedly connected with the second filtering ring (3), a plurality of oil outlets connected with the connecting pipe (8) are formed in the bottom of the third space (503), and a sealing structure is simultaneously arranged at the bottom of the third space (503).
5. The hydraulic oil filtering device for hydraulic equipment according to claim 4, wherein each sealing structure comprises two rotating plates (23), the rotation centers of each two rotating plates (23) are respectively positioned on two symmetrical side walls of the oil outlet and the connecting pipe (8), the rotation directions of the two rotating plates (23) are the same, the two rotating plates can both seal the oil outlet and the connecting pipe (8), arc-shaped grooves (19) for enabling oil to meet the rotation of the rotating plates (23) are formed in the side walls of the oil outlet and the connecting pipe (8), each rotating plate (23) is made of a permanent magnet material, and the side walls of the oil outlet and the connecting pipe (8) are made of ferromagnetic materials which are magnetically attracted with the rotating plates (23).
6. The hydraulic oil filtering device for hydraulic equipment according to claim 5, wherein the automatic unloading structure comprises a mounting block (20) arranged at the top of a connecting cylinder (10), the mounting block (20) is fixed at the top of a first filtering ring (2) and is communicated with the outside, a hand ring (24) is fixedly arranged at the top of the connecting cylinder (10), a plurality of springs (21) are fixedly arranged at the top of a sliding plate (15), the tops of the springs (21) are fixedly connected with the inner top of a groove (14), an assembling ring (22) is fixedly arranged at the top of a third filtering ring (4), the assembling ring (22) is in sliding connection with the outer top wall of a filtering box (1), two magnetic attraction blocks (16) which are mutually magnetically attracted are arranged at the connecting positions of the bottoms of the sliding plate (15), a second filtering ring (3) and the third filtering ring (4) and the inner bottom of the filtering box (1), and the cross sections of the second filtering ring (3) and the third filtering ring (4) are in incomplete circular structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311303649.6A CN117249153B (en) | 2023-10-10 | 2023-10-10 | Hydraulic oil filter equipment for hydraulic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311303649.6A CN117249153B (en) | 2023-10-10 | 2023-10-10 | Hydraulic oil filter equipment for hydraulic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117249153A true CN117249153A (en) | 2023-12-19 |
| CN117249153B CN117249153B (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311303649.6A Active CN117249153B (en) | 2023-10-10 | 2023-10-10 | Hydraulic oil filter equipment for hydraulic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117249153B (en) |
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| CN218817361U (en) * | 2022-10-20 | 2023-04-07 | 金华昆仑润滑油有限公司 | Hydraulic oil filter equipment |
| CN218913356U (en) * | 2023-01-09 | 2023-04-25 | 大连凯普乐液压设备有限公司 | Composite filter |
| CN219035209U (en) * | 2022-02-27 | 2023-05-16 | 陆莉 | Hydraulic oil filter equipment for hydraulic equipment |
| CN116116076A (en) * | 2023-04-19 | 2023-05-16 | 东营联合石化有限责任公司 | Hydrofining raw oil filter |
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2023
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| CN218817361U (en) * | 2022-10-20 | 2023-04-07 | 金华昆仑润滑油有限公司 | Hydraulic oil filter equipment |
| CN218913356U (en) * | 2023-01-09 | 2023-04-25 | 大连凯普乐液压设备有限公司 | Composite filter |
| CN116116076A (en) * | 2023-04-19 | 2023-05-16 | 东营联合石化有限责任公司 | Hydrofining raw oil filter |
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| CN117249153B (en) | 2024-04-02 |
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